Android RAR guide

How to Open a RAR File on Android in Your Browser

Android does not include a RAR extractor, and many “free RAR” apps are full of ads or ask for broad storage permissions. You can open most RAR files directly in Chrome, Samsung Internet or Firefox without installing anything. This guide walks you through the browser method, explains where the files end up, and covers the limits that are specific to phones.

Updated 2026-10-13 · Written and tested by the UnpackNest editorial team (TECCONET)

Step by step on an Android phone

  1. Open Chrome (or another up-to-date browser) and go to the RAR tool.
  2. Tap or choose a file. Android opens its file picker; go to Downloads or the folder where the RAR is.
  3. Tap the RAR. The tool reads it on the phone and shows "RAR4 ready" or "RAR5 ready".
  4. Tick the files you need, then tap Extract selected.
  5. Open the extracted files from Chrome's Downloads list or the Files app.
The UnpackNest RAR tool on a 390-pixel phone screen and on desktop, after opening a RAR archive.
The UnpackNest RAR tool on a 390-pixel phone screen and on desktop, after opening a RAR archive.

Why Android cannot open RAR files by default

Android’s built-in Files app (and Samsung’s My Files) can usually open ZIP archives, because ZIP is an open format. RAR is proprietary, and phone makers do not usually license or ship a RAR decoder. When you tap a .rar attachment, Android either shows “Can’t open file” or suggests installing an app from the Play Store.

Installing an app is not wrong, but it has costs: another app with storage access, often aggressive full-screen ads, and occasionally apps that request permissions unrelated to unpacking files. If you only need to open an archive now and then, a browser tool avoids all of that.

Method 1: open a RAR in your Android browser (no app)

  1. Download the RAR file first. If it is an email attachment or a chat file, save it to your phone so it appears in Downloads.
  2. Open Chrome (or another modern browser) and go to the UnpackNest RAR tool.
  3. Tap the file picker. Android opens its file chooser; go to Downloads (or Recent) and select the .rar file.
  4. UnpackNest reads the archive on the phone itself, detects whether it is RAR4 or RAR5 and shows the list of files.
  5. Tap the file you want to extract. The browser saves it, usually into Downloads, and shows a notification you can tap to open it.
The archive is not uploaded. Extraction happens in the browser on your phone, which also means it works on slow mobile data once the page has loaded.

Where do extracted files go?

Chrome on Android saves files to the Download folder in internal storage by default. To find them:

Files keep their original names. If the archive contained folders, the browser saves each extracted file individually with its own name, so you may want to create a folder and move them together.

Method 2: use a file manager app

If you extract archives every day, an app may be more convenient. Look for these qualities before installing one:

Some phone makers’ file managers have added RAR support in recent versions, so check your built-in Files app first: long-press the archive and look for Extract.

Phone-specific limits and how to work around them

Memory

A phone browser has a smaller memory budget than a computer. Extracting a 3 GB video from an archive in a tab can fail on a mid-range phone. UnpackNest applies size guards and tells you when an entry is too large instead of freezing. For very large files, use a computer, or ask the sender to split the content into smaller archives.

Screen lock and background tabs

Android may pause a browser tab when you switch apps or lock the screen. Keep the page in front and the screen on until the file is saved, especially for large entries.

Storage space

You need free space for the archive plus the extracted file. If the phone is almost full, the save step fails. Clear space or extract a single file at a time.

Password-protected and split archives

Encrypted RAR entries are not extracted by the current UnpackNest release, and split archives (.part1.rar, .part2.rar) need a desktop tool with all parts in one folder.

Method 3: use a computer as a fallback

If the archive is very large, encrypted or split into parts, the phone is not the right place to extract it. Transfer the file to a computer with a USB cable or a cloud folder you control, extract it there with a desktop app, and copy only the files you need back to the phone. That is often faster than fighting with the limits of a mobile browser, and it keeps the original archive safe on a device with more space.

Saving data and battery

Browser extraction uses the phone’s processor, so a large archive can warm the phone and use battery. Plug the phone in for multi-hundred-megabyte archives. Because the archive is not uploaded, the browser method uses almost no mobile data after the page has loaded: only the small tool page itself is downloaded, not your file.

Opening the extracted files

After extraction you still need an app for the file type itself: a PDF reader for PDFs, the Gallery for images, a video player for MP4. Common situations:

Safety tips for archives on Android

Troubleshooting on Android

For a full checklist, see why a RAR file won’t open.

Frequently asked questions

Do I need to root my phone?

No. Opening archives in the browser or with a normal app does not require root or special permissions.

Does this work on Android tablets and Chromebooks?

Yes. Any device with a modern Chrome, Firefox or Edge browser can use the browser method. Tablets and Chromebooks usually have more memory, so larger entries work better.

Can I open RAR files on an iPhone the same way?

Yes. Safari can use browser-based tools too; the Files app on iPhone also handles ZIP but not RAR.

Is it legal to open RAR files without WinRAR?

Yes. RAR’s licence restricts creating RAR archives, not reading them. Free extractors have existed for many years.

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